Join Date: Jan 2015
Location: Injun Territory, 'Merica!
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when you get the car up on a lift, and the driveshaft is out, with a pair of thick gloves on, violently push and pull on the pinion yoke and see if there is any fore-aft play, if there is you can disregard ANYTHING anyone suggests to you about marking the nut on the pinion and counting threads, as the nut is removed, to give you a benchmark to install after a new seal. Instead, the pinion has been loose for some time, and best results will come with a pro well versed in differentials, confirming the pinion is loose, and properly correcting, most likely will need a .001 thicker pinion shim, as backlash is tightened up to .010.